openapi: '3.0.3'
info:
  title: Open-Meteo Elevation API
  description: >-
    Look up terrain elevation for coordinates using a 90-metre digital elevation model.
  version: '1.0'
  contact:
    name: Open-Meteo
    url: https://open-meteo.com
    email: info@open-meteo.com
  license:
    name: Attribution 4.0 International (CC BY 4.0)
    url: https://creativecommons.org/licenses/by/4.0/
  termsOfService: https://open-meteo.com/en/features#terms
paths:
  /v1/elevation:
    servers:
      - url: https://api.open-meteo.com
      - url: https://customer-api.open-meteo.com
    get:
      tags:
        - Elevation API
      summary: Get terrain elevation for coordinates
      description: >-
        Returns terrain elevation using a 90-metre digital elevation model.
      parameters:
        - name: latitude
          in: query
          required: true
          description: Comma-separated list of latitude values in WGS84.
          schema:
            type: string
        - name: longitude
          in: query
          required: true
          description: Comma-separated list of longitude values in WGS84.
          schema:
            type: string
        - name: apikey
          in: query
          schema:
            type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
                properties:
                  elevation:
                    type: array
                    items:
                      type: number
                      format: float
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: boolean
                  reason:
                    type: string